Urban railway vehicle passenger room illumination brightness adjustment photosensitive control test device

Abstract

The utility model discloses an urban railway vehicle passenger room illumination brightness adjustment photosensitive control test device, relates to the technical field of vehicle illumination debugging systems, and solves the problems that the existing urban railway vehicle passenger room illumination brightness adjustment photosensitive control test device cannot accurately and automatically adjust the brightness according to different environment changes, the test accuracy is not high enough, and the test time is short. According to the device, the resistance value of a power supply is adjusted through a slide switch and is transmitted to an analog quantity receiving module, and the analog quantity receiving module converts the detected resistance value into an electric signal and transmits the electric signal to a PLC main control unit; the PLC main control unit outputs electric signals of different voltage levels according to the magnitude of the electric signals and transmits the electric signals to the signal output module; the signal output module outputs the voltage signals of different levels to the variable light source for power supply, and the variable light source emits different lights according to the levels of the received different voltages. The device is operated by observing the percentage display on the display screen, and the operation is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lighting debugging systems, and particularly relates to a test device for adjusting the photosensitive control of the brightness of the passenger compartment lighting of urban rail vehicles. Background Technique

[0002] During the operation of urban rail vehicles, the passenger compartment lighting automatically adjusts the brightness according to the intensity of the light, meeting the brightness environment requirements of the passenger compartment and improving the riding comfort of the train. At present, when conducting the test on the brightness adjustment of the passenger compartment lighting, the measure taken is to cover the light sensor with the palm or a thick piece of paper to conduct the test on the brightness adjustment of the passenger compartment lighting. The test method is simple and rough, and it is impossible to accurately and automatically adjust the brightness according to different environmental changes. The accuracy of the test is not high enough, indirectly resulting in the inability to meet higher-order test requirements and the inability to create a more comfortable and bright riding environment.

[0003] To further optimize the standardization of the test and the accuracy of the results, reduce the corresponding errors, and improve the operation quality, it is necessary to optimize the test and enhance the riding lighting experience; at the same time, display the corresponding percentage on the corresponding display screen to determine whether the test conditions are met, and act on the light sensor through a variable light source to improve the accuracy of the test on the brightness adjustment of the passenger compartment lighting, shorten the debugging cycle, and improve the product quality while shortening the debugging cycle. Content of the Utility Model

[0004] The utility model provides a test device for adjusting the photosensitive control of the brightness of the passenger compartment lighting of urban rail vehicles to solve the problems that the existing test device for adjusting the photosensitive control of the brightness of the passenger compartment lighting of urban rail vehicles cannot accurately and automatically adjust the brightness according to different environmental changes, the accuracy of the test is not high enough, and indirectly it cannot meet higher-order test requirements.

[0005] A test device for adjusting the photosensitive control of the brightness of the passenger compartment lighting of urban rail vehicles, the device includes a power supply, a sliding switch, a variable light source, a display screen and a controller;

[0006] The controller is connected to the power supply, the sliding switch, the variable light source and the display screen, and the variable light source is connected to the light sensor; the controller includes a PLC main control unit, an analog quantity receiving module and a signal output module connected to the PLC main control unit;

[0007] The sliding switch adjusts the resistance value of the power supply and transmits it to the analog quantity receiving module, the analog quantity receiving module converts the detected resistance value into an electrical signal and transmits it to the PLC main control unit, the PLC main control unit outputs electrical signals of different voltage levels according to the magnitude of the electrical signal and transmits them to the signal output module; the signal output module outputs voltage signals of different levels to the variable light source for power supply, and the variable light source emits different lights according to the received different voltage levels.

[0008] Further, the display screen is an LED display screen, and the percentage of the simulated ambient brightness is simultaneously displayed on the LED display screen.

[0009] Further, the power supply adopts a DC24V power supply.

[0010] Further, it further includes a power indicator light, which is connected to the controller and the display screen.

[0011] Further, place the test device 3 - 5 cm away from the light sensor.

[0012] Advantages of the utility model: The comfort of the light sensor and the lighting illumination is tested through this device, replacing the traditional rough test method. The advantages of using this device are as follows:

[0013] 1. Improve the accuracy of the test, reduce operation errors, and improve operation quality;

[0014] 2. Operate by observing the percentage display on the LED display screen, and the test data is clear at a glance;

[0015] 3. Shorten the debugging cycle, improve the utilization rate of personnel, and reduce production losses;

[0016] 4. This device is easy to operate, the test method is convenient, and the product quality is improved;

[0017] 5. Better guarantee the experience and comfort of the vehicle lighting;

[0018] 6. The test results are accurate, ensuring the accuracy of the experimental results. Description of the Drawings

[0019] Figure 1 It is the principle block diagram of a test device for the brightness adjustment and light - sensing control of the passenger compartment lighting of an urban rail vehicle according to the utility model;

[0020] Figure 2 It is the structural schematic diagram of the controller in a test device for the brightness adjustment and light - sensing control of the passenger compartment lighting of an urban rail vehicle according to the utility model. Detailed Embodiments

[0021] Combined with Figure 1 and Figure 2 This embodiment is described. A test device for the brightness adjustment and light - sensing control of the passenger compartment lighting of an urban rail vehicle is composed of a DC24V power supply, a sliding switch, a variable light source, an LED display screen, a controller, and a power indicator light;

[0022] The controllers are all connected to a power supply, a sliding switch, a variable light source, and a display screen. The variable light source is connected to a light sensor. The controller includes a PLC main control unit, an analog quantity receiving module, and a signal output module connected to the PLC main control unit.

[0023] In this embodiment, the controller is composed of an analog quantity receiving module, a PLC main control unit, and a signal output module. According to the technical requirements of vehicle lighting tests, place the test device 3 - 5 cm around the light sensor, turn on the power supply of the device, and adjust the resistance value of the sliding switch to supply power to the controller. The analog quantity receiving module of the controller converts the detected resistance value into an electrical signal and transmits it to the PLC main control unit of the controller. The PLC main control unit outputs different voltage levels to the signal output module according to the magnitude of the electrical signal. The signal output module outputs voltages 1+ and 2- to supply power to the variable light source. The variable light source emits different brightness levels according to the received voltage. At the same time, the indicator light of the controller changes from white to green, and the percentage of the simulated environmental brightness is simultaneously displayed on the LED display screen as the percentage of the light intensity to confirm the qualified light beam that meets the experimental requirements, achieving the purpose of meeting the requirements of the test and adjusting the brightness of the passenger compartment.

Claims

1. A light-sensitive control test device for adjusting the illumination brightness of a passenger compartment of a city railway vehicle, characterized in that: The device includes a power supply, a slide switch, a variable light source, a display screen and a controller; The controller is connected to the power supply, the sliding switch, the variable light source and the display screen, and the variable light source is connected to the light sensor; the controller includes a PLC main control unit, an analog quantity receiving module and a signal output module connected to the PLC main control unit; The sliding switch adjusts the size of the power supply resistance and transmits it to the analog quantity receiving module. The analog quantity receiving module converts the detected resistance into an electrical signal and transmits it to the PLC main control unit. The PLC main control unit outputs electrical signals of different voltage levels according to the size of the electrical signal and transmits it to the signal output module; the signal output module outputs voltage signals of different levels to the variable light source for power supply, and the variable light source emits different lights according to the different voltage levels received.

2. According to claim 1, a light-sensitive control test device for adjusting the illumination brightness of a passenger compartment of a city railway vehicle is characterized in that: The display screen is an LED display screen, and the simulated ambient brightness percentage is simultaneously displayed on the LED display screen.

3. The light sensitivity control test device for adjusting the illumination brightness of a passenger compartment of a metropolitan railway vehicle according to claim 1, characterized in that: The power supply adopts DC24V power supply.

4. The light sensitivity control test device for adjusting the illumination brightness of passenger compartment of a metropolitan railway vehicle according to claim 1, characterized in that: It also includes a power indicator light, which is connected to the controller and the display screen.

5. The light sensitivity control test device for adjusting the illumination brightness of passenger compartment of a metropolitan railway vehicle according to claim 1, characterized in that: The test device was placed 3-5 cm away from the light sensor.

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